hey guys i am having some trouble with my 04, when i start it up it takes a really long time to warm up and it will quit if i don't run it with the choke, it also backfires a lot on decel at high speeds. and just recently it started getting harder to start cold. i just adjusted the valves and they are in spec so do you guys think it is running lean or what?

check your plug and see what color it is.. You might want to mess with the fuel screw a little. If it gets more then 3 1/2 -4 turns out then you will have to bump up the pilot jet


it could also clogged jet(s)

you might want to check the float and vale seat could be clogg and the float height might be too low and the bike is starving for some fuel...how is the bike once its one? and warm?

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